Michael Landon's Oldest Son, Mark Landon, Dies at 60

Actor Mark Landon, who was directed by his father Michael Landon in the 1991 TV movie 'Us,' was found dead Monday at this home in Los Angeles. No cause of death has been determined, but a spokesperson for the Los Angeles County sheriff's office says no foul play is suspected.

Mark Landon was the oldest child of 'Little House on the Prairie' star Michael, who adopted the boy after Michael married Mark's mother, Dodie.

Michael Landon, who died in 1991 after a battle with pancreatic cancer, was as prolific a papa off-screen as his Charles Ingalls was on-screen: Landon had nine children with his three wives, including another adopted son; a stepdaughter; another actor son, Michael Landon Jr.; and daughter Leslie, who starred as teacher Etta Plum on 'Little House.'Actor Mark Landon, who was directed by his father Michael Landon in the 1991 TV movie 'Us,' was found dead Monday at this home in Los Angeles. No cause of death has been determined, but a spokesperson for the Los Angeles County sheriff's office says no foul play is suspected.

Mark Landon was the oldest child of 'Little House on the Prairie' star Michael, who adopted the boy after Michael married Mark's mother, Dodie. Michael Landon, who died in 1991 after a battle with pancreatic cancer, was as prolific a papa off-screen as his Charles Ingalls was on-screen: Landon had nine children with his three wives, including another adopted son; a stepdaughter; another actor son, Michael Landon Jr.; and daughter Leslie, who starred as teacher Etta Plum on 'Little House.'

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